9 letters · 12 points in Scrabble
adjective partly solid; having a rigidity and viscosity intermediate between a solid and a liquid
originEtymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Latin sēmi-bor. English semi- Latin solidusder. Old French solidebor. Middle English solide English solid English semisolid From semi- + solid.
Etymology from Wiktionary, CC BY-SA 3.0